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s344n2d4d5 [400]
3 years ago
6

What is the definition of gravitation potential energy?

Physics
1 answer:
ioda3 years ago
7 0
Gravitational potential energy is energy an object possesses because of its position in a gravitational field. The most common use of gravitational potential energy is for an object near the surface of the Earth where the gravitational acceleration can be assumed to be constant at about 9.8 m/s2.
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When a football is kicked, the action and reaction forces do NOT cancel each other out because
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Answer:

C

Explanation:

The kicker exerts more force of the football which is why the football moves when its kicked.

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During which month is the bacteria population just under 1 million?
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D. March because it is just below the 1 million marker on the graph and it is the only one that low.
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A student needs to travel a total of 400 miles to reach his vacation destination . if he drives at an average speed of 50 mph ho
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Answer:

The answer is 8 hours.

Explanation:

M : H

50 : 1

400 : X

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8 0
3 years ago
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A person carries a mass of 10 kg and walks along the +x-axis for a distance of 100m with a constant velocity of 2 m/s. What is t
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Since the direction of the force and the direction of the path is perpendicular, the person is not doing any physical work.
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3 years ago
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a bubble of air of volume 1cm^3 is released by a deep sea diver at a depth where the pressure is 4.0 atmospheres. assuming its t
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Answer:

hope this helps!

Explanation:

Volume of the air bubble, V1=1.0cm3=1.0×10−6m3

Bubble rises to height, d=40m

Temperature at a depth of 40 m, T1=12oC=285K

Temperature at the surface of the lake, T2=35oC=308K

The pressure on the surface of the lake: P2=1atm=1×1.103×105Pa 

The pressure at the depth of 40 m: P1=1atm+dρg

Where,

ρ is the density of water =103kg/m3

g is the acceleration due to gravity =9.8m/s2

∴P1=1.103×105+40×103×9.8=493300Pa

We have T1P1V1=T2P2V2

Where, V2 is the volume of the air bubble when it reaches the surface.

V2=

8 0
2 years ago
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